diff --git a/README.md b/README.md
index 7ed3b9a21..77071b9da 100644
--- a/README.md
+++ b/README.md
@@ -120,7 +120,7 @@ Note:
   - [cni-plugins](https://github.com/containernetworking/plugins) 1.4.1
   - [calico](https://github.com/projectcalico/calico) 3.30.3
   - [cilium](https://github.com/cilium/cilium) 1.18.1
-  - [flannel](https://github.com/flannel-io/flannel) 0.26.7
+  - [flannel](https://github.com/flannel-io/flannel) 0.27.3
   - [kube-ovn](https://github.com/alauda/kube-ovn) 1.12.21
   - [kube-router](https://github.com/cloudnativelabs/kube-router) 2.1.1
   - [multus](https://github.com/k8snetworkplumbingwg/multus-cni) 4.2.2
diff --git a/roles/kubespray_defaults/defaults/main/download.yml b/roles/kubespray_defaults/defaults/main/download.yml
index ad7a00af2..2958633ee 100644
--- a/roles/kubespray_defaults/defaults/main/download.yml
+++ b/roles/kubespray_defaults/defaults/main/download.yml
@@ -110,7 +110,7 @@ calico_apiserver_version: "{{ calico_version }}"
 typha_enabled: false
 calico_apiserver_enabled: false
 
-flannel_version: 0.26.7
+flannel_version: 0.27.3
 flannel_cni_version: 1.7.1-flannel1
 cni_version: "{{ (cni_binary_checksums['amd64'] | dict2items)[0].key }}"